This company has been marked as potentially delisted and may not be actively trading. Infinity Pharmaceuticals (INFI) Short Interest Ratio & Short Volume Add Compare Share Share Short Interest Stock AnalysisBuy This Stock Infinity Pharmaceuticals Short Interest DataInfinity Pharmaceuticals (INFI) has a short interest of 2.21 million shares. This marks a 12.18% increase in short interest from the previous month. The short interest ratio (days to cover) is 0.7, indicating that it would take 0.7 days of the average trading volume of 2.58 million shares to cover all short positions.Current Short Interest2,210,000 sharesPrevious Short Interest1,970,000 sharesChange Vs. Previous Month+12.18%Dollar Volume Sold Short$201.11 thousandShort Interest Ratio0.7 Days to CoverLast Record DateAugust 31, 2023Outstanding Shares90,760,000 sharesPercentage of Shares Shorted2.43%Today's Trading Volume2,476,900 sharesAverage Trading Volume2,577,841 sharesToday's Volume Vs. Average96% Short Selling Infinity Pharmaceuticals? Sign up to receive the latest short interest report for Infinity Pharmaceuticals and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartINFI Short Interest Over TimeINFI Days to Cover Over TimeINFI Percentage of Float Shorted Over Time Infinity Pharmaceuticals Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 8/31/20232,210,000 shares $201.11 thousand +12.2%N/A0.7 $0.09 8/15/20231,970,000 shares $173.56 thousand +114.4%N/A0.6 $0.09 7/31/2023918,900 shares $116.79 thousand +60.3%1.1%0.3 $0.13 7/15/2023573,100 shares $114.73 thousand -33.6%0.7%0.7 $0.20 6/30/2023863,400 shares $181.75 thousand +42.6%1.0%1.1 $0.21 6/15/2023605,300 shares $108.65 thousand +0.6%0.7%0.7 $0.18 5/31/2023601,600 shares $102.27 thousand -2.9%0.7%0.8 $0.17 5/15/2023619,800 shares $108.40 thousand +7.5%0.7%0.5 $0.17 4/30/2023576,700 shares $103.81 thousand -1.3%0.7%0.5 $0.18 4/15/2023584,400 shares $92.39 thousand -5.7%0.7%0.5 $0.16 Get the Latest News and Ratings for INFI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Infinity Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 3/31/2023619,700 shares $99.15 thousand -14.7%0.7%0.6 $0.16 3/15/2023726,500 shares $132.30 thousand -19.5%0.8%0.7 $0.18 2/28/2023902,200 shares $193.07 thousand +19.9%1.0%0.9 $0.21 2/15/2023752,400 shares $443.92 thousand +26.0%0.9%0.9 $0.59 1/31/2023597,000 shares $370.56 thousand -32.9%0.7%0.9 $0.62 1/15/2023890,000 shares $629.76 thousand -22.6%1.0%1.3 $0.71 12/30/20221,150,000 shares $638.25 thousand +12.8%1.3%1.8 $0.56 12/15/20221,020,000 shares $550.80 thousand +8.2%1.2%1.8 $0.54 11/30/2022943,000 shares $517.42 thousand -4.3%1.1%1.9 $0.55 11/15/2022985,300 shares $776.42 thousand -14.3%1.1%2.1 $0.79 10/31/20221,150,000 shares $1.43 million -13.5%1.3%2.2 $1.24 10/15/20221,330,000 shares $1.50 million -2.2%1.5%2.6 $1.13 9/30/20221,360,000 shares $1.62 million +5.4%1.6%2.6 $1.19 9/15/20221,290,000 shares $1.78 million +19.4%1.5%1.8 $1.38 8/31/20221,080,000 shares $1.74 million -12.9%1.2%1.5 $1.61 8/15/20221,240,000 shares $1.57 million -11.4%1.4%1.6 $1.27 7/31/20221,400,000 shares $889.98 thousand +1.5%1.6%2.1 $0.64 7/15/20221,380,000 shares $922.81 thousand -13.2%1.6%1.9 $0.67 6/30/20221,590,000 shares $1.01 million -64.3%1.8%1.9 $0.63 6/15/20224,450,000 shares $3.25 million -6.1%5.1%5 $0.73 5/31/20224,740,000 shares $3.19 million -1.3%5.4%6.2 $0.67 5/15/20224,800,000 shares $2.58 million +3.0%5.5%6.5 $0.54 4/30/20224,660,000 shares $3.68 million +27.3%5.3%6.5 $0.79 4/15/20223,660,000 shares $3.28 million +10.6%4.2%4.8 $0.90 3/31/20223,310,000 shares $3.77 million +3.1%3.8%3.7 $1.14 3/15/20223,210,000 shares $2.82 million +2.2%3.7%3.2 $0.88 2/28/20223,140,000 shares $3.45 million +2.3%3.6%2.3 $1.10 2/15/20223,070,000 shares $3.75 million +20.9%3.5%2.1 $1.22 1/31/20222,540,000 shares $3.15 million +8.6%2.9%1.6 $1.24 1/15/20222,340,000 shares $3.35 million +6.4%2.7%1.5 $1.43Trump warns he’s “on a mission from God” (Ad)Trump warns he’s on a mission from God… And says nothing can stop what’s coming next. 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One famed economic researcher says he’s found the answer – and it’s the last thing anyone expects.In this video you’ll discover how you could profit from Trump’s bombshell economic plan. 12/31/20212,200,000 shares $4.95 million -19.7%2.5%1.3 $2.25 12/15/20212,740,000 shares $6.47 million +33.7%3.2%1.6 $2.36 11/30/20212,050,000 shares $4.45 million -7.2%2.4%1.3 $2.17 11/15/20212,210,000 shares $5.46 million -48.5%2.5%1.3 $2.47 10/29/20214,290,000 shares $10.90 million -2.3%4.9%2.1 $2.54 10/15/20214,390,000 shares $11.59 million -23.9%5.1%0.6 $2.64 9/30/20215,770,000 shares $19.73 million +13.1%6.7%0.8 $3.42 9/15/20215,100,000 shares $17.39 million -15.6%5.9%0.7 $3.41 8/31/20216,040,000 shares $21.38 million +10.8%7.0%0.8 $3.54 8/13/20215,450,000 shares $16.90 million -40.3%6.3%0.8 $3.10 7/30/20219,130,000 shares $19.36 million +106.1%10.5%1.3 $2.12 7/15/20214,430,000 shares $11.56 million -19.2%5.1%2.4 $2.61 6/30/20215,480,000 shares $16.39 million +43.8%6.3%3.1 $2.99 6/15/20213,810,000 shares $12.34 million -2.3%4.4%2.7 $3.24 5/28/20213,900,000 shares $12.99 million -5.6%4.5%2.5 $3.33 5/14/20214,130,000 shares $10.99 million +114.0%N/A2.3 $2.66 4/30/20211,930,000 shares $6.50 million +9.7%N/A0.5 $3.37 4/15/20211,760,000 shares $5.49 million +49.2%N/A0.5 $3.12 3/31/20211,180,000 shares $3.56 million -16.9%N/A0.3 $3.02 3/15/20211,420,000 shares $4.43 million +14.5%N/A0.4 $3.12 2/26/20211,240,000 shares $3.94 million +115.5%N/A0.3 $3.18 2/12/2021575,400 shares $2.57 million -18.4%N/A0.2 $4.47 1/29/2021705,500 shares $2.43 million +7.5%N/A0.4 $3.44 1/15/2021656,200 shares $1.93 million +19.0%N/A0.5 $2.94 12/31/2020551,500 shares $1.20 million +26.5%N/A0.6 $2.18 12/15/2020436,100 shares $981.23 thousand +125.1%N/A0.5 $2.25 11/30/2020193,700 shares $387.40 thousand +5.8%N/A0.2 $2.00 11/15/2020183,100 shares $314.93 thousand -37.8%N/A0.3 $1.72 10/30/2020294,300 shares $323.73 thousand +44.5%N/A0.6 $1.10 10/15/2020203,700 shares $262.77 thousand +22.4%0.4%0.4 $1.29 9/30/2020166,400 shares $194.69 thousand +112.5%0.3%0.3 $1.17 9/15/202078,300 shares $86.13 thousand +1.6%0.1%0.1 $1.10 8/31/202077,100 shares $85.58 thousand -48.4%0.1%0.1 $1.11 8/14/2020149,300 shares $179.16 thousand +50.8%0.3%0.2 $1.20 7/31/202099,000 shares $87.12 thousand +57.1%0.2%0.1 $0.88 7/15/202063,000 shares $51.47 thousand +34.9%0.1%0.1 $0.82 6/30/202046,700 shares $42.50 thousand -3.9%0.1%0.1 $0.91 6/15/202048,600 shares $45.56 thousand +36.1%0.1%0.3 $0.94 INFI Short Interest - Frequently Asked Questions What is Infinity Pharmaceuticals' current short interest? Short interest is the volume of Infinity Pharmaceuticals shares that have been sold short but have not yet been covered or closed out. As of August 31st, traders have sold 2,210,000 shares of INFI short. Learn More on Infinity Pharmaceuticals' current short interest. What is a good short interest ratio for Infinity Pharmaceuticals? The short interest ratio, also known as the "days to cover ratio", is calculated by dividing the number of shares of a stock sold short divided by its average trading volume. A short interest ratio ranging between 1 and 4 generally indicates strong positive sentiment about a stock and a lack of short sellers. A short interest ratio of 10 or greater indicates strong pessimism about a stock. INFI shares currently have a short interest ratio of 1.0. Learn More on Infinity Pharmaceuticals's short interest ratio. Is Infinity Pharmaceuticals' short interest increasing or decreasing? Infinity Pharmaceuticals saw a increase in short interest during the month of August. As of August 31st, there was short interest totaling 2,210,000 shares, an increase of 12.2% from the previous total of 1,970,000 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment. How does Infinity Pharmaceuticals' short interest compare to its competitors? Here is how the short interest of companies in the industry of "biotechnology" compare to Infinity Pharmaceuticals: Molecular Templates, Inc. (0.09%), Amgen Inc. (2.68%), Gilead Sciences, Inc. (1.99%), Vertex Pharmaceuticals Incorporated (1.88%), Regeneron Pharmaceuticals, Inc. (2.69%), Alnylam Pharmaceuticals, Inc. (2.89%), Biogen Inc. (2.28%), United Therapeutics Co. (4.77%), Incyte Co. (4.96%), Neurocrine Biosciences, Inc. (4.22%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Charter Communications, Inc. ($3.69 billion), Canadian Natural Resources Limited ($3.67 billion), T-Mobile US, Inc. ($3.56 billion), Suncor Energy Inc. ($3.20 billion), Occidental Petroleum Co. ($3.19 billion), Celsius Holdings, Inc. ($2.09 billion), Tractor Supply ($2.08 billion), Moderna, Inc. ($2.04 billion), Royal Caribbean Cruises Ltd. ($2.00 billion), and Rivian Automotive, Inc. ($1.96 billion). View all of the most shorted stocks. What does it mean to sell short Infinity Pharmaceuticals stock? Short selling INFI is an investing strategy that aims to generate trading profit from Infinity Pharmaceuticals as its price is falling. To short a stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that a stock will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit. How does a short squeeze work against Infinity Pharmaceuticals? A short squeeze for Infinity Pharmaceuticals occurs when it has a large amount of short interest and its stock increases in price. This forces short sellers to cover their short interest positions by buying actual shares of INFI, which in turn drives the price of the stock up even further. How often is Infinity Pharmaceuticals' short interest reported? Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including INFI, twice per month. The most recent reporting period available is August, 31 2023. More Short Interest Resources from MarketBeat Related Companies Molecular Templates Short Squeeze Amgen Short Squeeze Gilead Sciences Short Squeeze Vertex Pharmaceuticals Short Squeeze Regeneron Pharmaceuticals Short Squeeze Alnylam Pharmaceuticals Short Squeeze Biogen Short Squeeze United Therapeutics Short Squeeze Incyte Short Squeeze Neurocrine Biosciences Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:INFI) was last updated on 6/8/2025 by MarketBeat.com Staff From Our PartnersElon’s NEXT Big IPO?Cancel your internet TODAY!? Take your latest internet bill and light it on fire… then count the seconds it...Banyan Hill Publishing | SponsoredHow to target 627% gains from Trump’s tweetsPresident Trump is shaking up the market with his tweets and Truth Social posts... 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